package com.heima.behavior.service.impl;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.behavior.mapper.ApLikesBehaviorMapper;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.constans.message.HotArticleConstants;
import com.heima.model.behavior.dtos.LikesBehaviorDto;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.UpdateArticleMess;
import com.heima.model.user.pojos.ApUser;
import com.heima.utils.threadlocal.AppThreadLocalUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.UUID;

@Service
public class ApLikesBehaviorServiceImpl extends ServiceImpl<ApLikesBehaviorMapper, ApLikesBehavior> implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    KafkaTemplate kafkaTemplate;
    @Override
    public ResponseResult like(LikesBehaviorDto dto) {
        //检查参数
        if(dto==null || dto.getArticleId()==null ||(dto.getType()<0 &&(dto.getType()>2))||
                (dto.getOperation()<0 && (dto.getOperation()>1))){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //查询行为实体
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if(apBehaviorEntry==null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //点赞或取消点赞
        ApLikesBehavior apLikesBehavior = getOne(Wrappers.<ApLikesBehavior>lambdaQuery().eq(ApLikesBehavior::getArticleId, dto.getArticleId())
                .eq(ApLikesBehavior::getEntryId, apBehaviorEntry.getId()));
        if(apLikesBehavior==null && dto.getOperation()==0){
             apLikesBehavior = new ApLikesBehavior();
             apLikesBehavior.setOperation(dto.getOperation());
             apLikesBehavior.setArticleId(dto.getArticleId());
             apLikesBehavior.setEntryId(apBehaviorEntry.getId());
             apLikesBehavior.setType(dto.getType());
             apLikesBehavior.setCreatedTime(new Date());
             save(apLikesBehavior);
             return ResponseResult.okResult();
        }else {
            apLikesBehavior.setOperation(dto.getOperation());
            updateById(apLikesBehavior);
        }
        if(dto.getOperation()==0){
            UpdateArticleMess mess=new UpdateArticleMess();
            mess.setAdd(1);
            mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
            mess.setArticleId(dto.getArticleId());
            kafkaTemplate.send(HotArticleConstants.HOT_ARTICLE_SCORE_TOPIC, UUID.randomUUID().toString(), JSON.toJSONString(mess));
        }
        return ResponseResult.okResult();
    }
}
